ID Engines: Total karting engine concept: Rocky, Junior, Senior and Shifter 10Oct2020 Read more In 2021 ID Engines introduces two new karting engines: The ID Engines Senior and The ID Engines Shifter. Owner Arthur Dontje describes the Shifter Engine as a true monster. 41 hp and 127 km/h maximum speed. Test driver Ricardo Romkema gives a demonstration at Circuit Park Berghem. Read more